Developer Documentation

Comprehensive top-level domain reference for domain investors, web developers, and registrars. Covers TLD types (gTLD, ccTLD, new gTLD), registrars, pricing, registries, brand TLDs, domain hacks, TLD collections, use case recommendations, industry profiles, timeline, interactive tools, glossary, and in-depth guides. 15 languages supported.

• TLDs with type, registry, restrictions, WHOIS, DNSSEC support
• Registrars with pricing, features, and supported TLDs
• TLD pricing comparison across registrars
• Registries with delegation history and policy details
• Industry profiles — which TLDs suit which industries
• Brand TLDs (.google, .apple, etc.) with ownership and usage
• Domain hacks — creative domain name patterns
• TLD collections curated by theme (short, memorable, geographic, etc.)
• Use case recommendations — best TLDs for blogs, startups, e-commerce
• TLD timeline — historical eras from ARPANET to new gTLDs
• Side-by-side TLD comparisons
• Registrar comparisons with feature matrices
• TLD statistics snapshots
• Interactive tools: domain availability, TLD suggest, TLD score
• Domain glossary with DNS and registration terminology
• In-depth guides organized by series

curl -s "https://tldfyi.com/api/v1/rest/tlds/"

{
  "count": 636,
  "next": "https://example.com/api/v1/items/?page=2",
  "previous": null,
  "results": [
    {"slug": "example", "name": "Example Item", "...": "..."}
  ]
}